This paper analyses the key technologies used in MP3, such as subband filter, psychoacoustical model and dynamic noise allocation.

笔者对MP3所用到的几个关键技术，如子带滤波、心理声学模型、动态噪声分配等做出简明分析。

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The noise of wood-based panel machinery mainly includes mechanical noise, air dynamic noise, etc.

人造板机械的噪声主要有机械噪声和空气动力性噪声。

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To improve anti-jamming of system, static noise and dynamic noise are analyzed to design anti-jamming project.

为提高系统的抗噪声性能，分别从静态、动态噪声两方面进行了分析，并针对这两方面进行了抗干扰设计。

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And technology has emerged to clear out these different kinds of noise called Dynamic Spectrum Management (DSM).

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Superior Auto mode recognizes a wide range of shooting situations, adjusting exposure and other settings for high-quality images with low noise and high dynamic range.

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The upgrades to the camera were not MPs, but faster photo capture, dynamic lighting, panoramic photos and noise cancellation for video.

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